“principal moment”的概念、定义、翻译、参考文献-科学参考

单词	principal moment
释义	principal moment Encyclopedia 理学典型力系释 principal moment主矩力系中的所有力对一点之矩的矢量和。 Physics 力学 principal moment主矩 principal moment主矩^†
随便看	negative root negative rotation negative selection negative semi-definite negative semi-definite form negative semi-definite kernel negative semi definite matrix negative semi-definite matrix negative semi-definite operator negative semi definite quadratic form negative semi-definite quadratic form negative semi-definte quadratic form negative semi-orbit negative semi-trough negative sense single-stranded RNA virus negative sequence negative sequence current carrying capability negative side negative sign negative skewness negative skin friction of piles negative spinor negative stable matrix negative staining negative strand

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。